112 lines
3.8 KiB
C++
112 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <comphelper/diagnose_ex.hxx>
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#include <slidebitmap.hxx>
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#include <com/sun/star/rendering/XCanvas.hpp>
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#include <com/sun/star/rendering/XBitmap.hpp>
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#include <basegfx/matrix/b2dhommatrix.hxx>
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#include <basegfx/matrix/b2dhommatrixtools.hxx>
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#include <canvas/canvastools.hxx>
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#include <basegfx/utils/canvastools.hxx>
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using namespace ::com::sun::star;
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namespace slideshow::internal
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{
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SlideBitmap::SlideBitmap( const ::cppcanvas::BitmapSharedPtr& rBitmap ) :
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maOutputPos(),
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maClipPoly(),
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mxBitmap()
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{
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if( rBitmap )
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mxBitmap = rBitmap->getUNOBitmap();
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ENSURE_OR_THROW( mxBitmap.is(), "SlideBitmap::SlideBitmap(): Invalid bitmap" );
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}
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bool SlideBitmap::draw( const ::cppcanvas::CanvasSharedPtr& rCanvas ) const
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{
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ENSURE_OR_RETURN_FALSE( rCanvas && rCanvas->getUNOCanvas().is(),
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"SlideBitmap::draw(): Invalid canvas" );
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// selectively only copy the transformation from current viewstate,
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// don't want no clipping here.
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rendering::ViewState aViewState;
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aViewState.AffineTransform = rCanvas->getViewState().AffineTransform;
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rendering::RenderState aRenderState;
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::canvas::tools::initRenderState( aRenderState );
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const basegfx::B2DHomMatrix aTranslation(basegfx::utils::createTranslateB2DHomMatrix(maOutputPos));
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::canvas::tools::setRenderStateTransform( aRenderState, aTranslation );
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try
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{
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if( maClipPoly.count() )
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{
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// TODO(P1): Buffer the clip polygon
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aRenderState.Clip =
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::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon(
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rCanvas->getUNOCanvas()->getDevice(),
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maClipPoly );
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}
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rCanvas->getUNOCanvas()->drawBitmap( mxBitmap,
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aViewState,
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aRenderState );
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}
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catch( uno::Exception& )
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{
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TOOLS_WARN_EXCEPTION( "slideshow", "" );
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return false;
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}
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return true;
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}
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::basegfx::B2ISize SlideBitmap::getSize() const
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{
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return ::basegfx::unotools::b2ISizeFromIntegerSize2D( mxBitmap->getSize() );
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}
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void SlideBitmap::move( const ::basegfx::B2DPoint& rNewPos )
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{
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maOutputPos = rNewPos;
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}
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void SlideBitmap::clip( const ::basegfx::B2DPolyPolygon& rClipPoly )
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{
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maClipPoly = rClipPoly;
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}
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const css::uno::Reference< css::rendering::XBitmap >& SlideBitmap::getXBitmap() const
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{
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return mxBitmap;
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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